Base | Representation |
---|---|
bin | 1001010110110… |
… | …11111100110000 |
3 | 12110200222122002 |
4 | 10223123330300 |
5 | 130043324121 |
6 | 11442233132 |
7 | 1642125650 |
oct | 453337460 |
9 | 173628562 |
10 | 78495536 |
11 | 40343949 |
12 | 223557a8 |
13 | 13354682 |
14 | a5d4360 |
15 | 6d57e0b |
hex | 4adbf30 |
78495536 has 40 divisors (see below), whose sum is σ = 182964480. Its totient is φ = 31869504.
The previous prime is 78495533. The next prime is 78495553. The reversal of 78495536 is 63559487.
It is not an unprimeable number, because it can be changed into a prime (78495533) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16316 + ... + 20571.
It is an arithmetic number, because the mean of its divisors is an integer number (4574112).
Almost surely, 278495536 is an apocalyptic number.
78495536 is a gapful number since it is divisible by the number (76) formed by its first and last digit.
It is an amenable number.
78495536 is an abundant number, since it is smaller than the sum of its proper divisors (104468944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78495536 is a wasteful number, since it uses less digits than its factorization.
78495536 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36921 (or 36915 counting only the distinct ones).
The product of its digits is 907200, while the sum is 47.
The square root of 78495536 is about 8859.7706516591. The cubic root of 78495536 is about 428.1687691483.
The spelling of 78495536 in words is "seventy-eight million, four hundred ninety-five thousand, five hundred thirty-six".
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